Interference No. 102,922
Interference No. 103,088
an epoxidized halohydrin compound to form tertiary
and quaternary amine groups on the dimer surface
or
A filler consisting essentially of (a) from
about 97 to about 99.9% by weight of inorganic
particle selected from the group consisting of
calcium carbonate, clay titanium dioxide, talc and
hydrated silica; (b) from about Ø.Ø25 to about 2.7%
by weight of cellulose reactive size selected from
the group consisting of ketene dimer having the
general formula
R - CH-C=CH-R1 2
* *
0=C--0
where R and R are hydrocarbon groups having from 81 2
to 30 carbon atoms, alkenyl succinic anhydrides
wherein the alkenyl group has from 12 to 30 carbon
atoms, hydrophobic isocyanates, carbamoyl chlorides
and stearic anhydride; (c) from about 0.00625 to
about 2.7% by weight of dispersing agent system
comprising at least about 95% by weight of cationic
dispersing agent selected from the group consisting
of cationic natural polymers, cationic synthetic
polymers and mixtures thereof.
Count 2
A process for the preparation of a papermaking
filler material surface-treated with a cationic
polymer, said process comprising: adding from about
Ø.1 to about 1Ø.Ø percent by weight, based on a dry
weight of the filler material, of a cationic
polymer, which is a dimer of the general formula
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Last modified: November 3, 2007